Preprints (not yet peer-reviewed)

32 downloads
164 views

Purpose: To compare the intraoperative angle stability and the postoperative outflow of two ab interno trabeculectomy devices that excise the trabecular meshwork. The newer device has an active aspiration and irrigation port while the older requires viscoelastic...

["Drugs and Devices","Ophthalmology","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.2762v2
22 downloads
112 views

Purpose: Microincisional glaucoma surgeons operate in a highly confined space, making it difficult to learn by observation or assistance alone. We hypothesized that an ex vivo model would allow for better refinement of technique, quantification of progress, and...

["Ophthalmology","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.2745v1
51 downloads
231 views

Background: Cryoelectrolysis is a new minimally invasive tissue ablation surgical technique that combines the ablation techniques of electrolytic ablation with cryosurgery. The goal of this study is to examine the hypothesis that electrolysis can take place in...

["Bioengineering","Biophysics","Oncology","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.2474v2
32 downloads
144 views

Backgroud: Protruding ear is the most commonly found auricular populational deformity with significant social consequences. The problem is clearly perceptible in frontal facial images, but a simple photographic classification for prominence has not yet been defined....

["Anatomy and Physiology","Pediatrics","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.2426v1
43 downloads
148 views

Fetus in fetu (FIF) is a very rare congenital malformation with an incidence of 1/500,000 live births. These children are often hospitalized because of vomiting, abdominal distension or abdominal mass found by their parents. The most common position for the parasitic...

["Pediatrics","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.2295v1
48 downloads
96 views

Background: Simtics Integrated Cognitive Simulator (ICS) is a software learning environment, previously demonstrated to be of use to surgical trainees in learning the cognitive aspects of procedural skills. It also includes a Test-Mode, which has not previously...

["Clinical Trials","Surgery and Surgical Specialties","Human-Computer Interaction","Computational Science"]
doi:10.7287/peerj.preprints.1893v1
336 downloads
440 views

Tramadol is used in both human and veterinary medicine to treat postoperative pain. The purpose of this study was to evaluate tramadol as a sole postoperative analgesic and to compare drug plasma concentration to clinical pain score. A high or low dose of tramadol...

["Anaesthesiology and Pain Management","Evidence Based Medicine","Pharmacology","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.1510v1
60 downloads
198 views

Objectives. The objective of this study is to compare the impact of early and late reconstruction of complete unilateral cleft lip and palate on the growth and development of the front of the dentoalveolar arch. Methods. This study was carried out in the years...

["Dentistry","Otorhinolaryngology","Pediatrics","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.1402v1
239 downloads
317 views

Cell communication is central to the integration of cell function required for the development and homeostasis of multicellular animals. Proteins are an important currency of cell communication, acting locally (auto-, juxta-, or paracrine) or systemically (endocrine)....

["Biochemistry","Drugs and Devices","Surgery and Surgical Specialties","Translational Medicine"]
doi:10.7287/peerj.preprints.1378v1
158 downloads
343 views

Over the last two decades the number of total joint replacement surgeries increased consistently. With the patient population growing older and therefore suffering from more comorbidities and total joint replacement being progressively indicated even in patients...

["Anatomy and Physiology","Geriatrics","Orthopedics","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.1119v2
122 downloads
298 views

Background. Liver segmentation from medical images produces high quality patient specific 3D liver models which are used for preoperative planning and intraoperative guidance. These 3D models can be manipulated and visualized in various ways and can be useful for...

["Surgery and Surgical Specialties","Science and Medical Education"]
doi:10.7287/peerj.preprints.1092v1
35 downloads
285 views

Background. High quality patient specific 3D liver models can be nowadays exported using computer liver segmentation algorithms. Specific 3D image editing tools can be used to manipulate the liver models and create virtual surgical cases. Objective. The aim of...

["Gastroenterology and Hepatology","Surgery and Surgical Specialties","Science and Medical Education"]
doi:10.7287/peerj.preprints.1090v1
66 downloads
202 views

OBJECTIVE: A single PAN scan may provide more radiation to a patient than is felt to be safe within a one-year period. Our objective was to determine how many patients admitted to the trauma service following a PAN scan had prior CT imaging within our six-hospital...

["Emergency and Critical Care","Public Health","Radiology and Medical Imaging","Surgery and Surgical Specialties","Statistics"]
doi:10.7287/peerj.preprints.1010v1
78 downloads
240 views

Background. Severe obesity is a risk factor for lower participation in paid work, but whether employment increases and sick leave decreases after obesity surgery is not well documented. Methods. We assessed 224 Norwegian patients with severe obesity (mean age:...

["Epidemiology","Gastroenterology and Hepatology","Nursing","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.923v1
135 downloads
260 views

Background: The aims of this study were to translate the Obesity-Related Problem scale (OP scale) into the Norwegian language and test its reliability, validity and responsiveness in a Norwegian sample. Method: The questionnaire (OP scale) was translated from the...

["Nursing","Nutrition","Psychiatry and Psychology","Public Health","Surgery and Surgical Specialties"]
doi:10.7287/peerj.preprints.900v1
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